hi itrying do do same with skr 1.3 couple week stock on it please help. Configuration.h #define TEMP_SENSOR_CHAMBER 1 (try 999 set to 60c) Configuration_adv.h #if TEMP_SENSOR_CHAMBER #define CHAMBER_MINTEMP 0 #define CHAMBER_MAXTEMP 60 #define TEMP_CHAMBER_HYSTERESIS 1 // (°C) Temperature proximity considered "close enough" to the target //#define CHAMBER_LIMIT_SWITCHING #define HEATER_CHAMBER_by Bulynia - Firmware - Marlin